The Internet Public Library (IPL) features a searchable, subject-categorized directory of authoritative websites; links to online texts, newspapers, and magazines; and the Ask A Question online reference service.
The digital advertising company, which receives ninety percent of its revenue from advertisers has publicized in its blog that it is dynamically tackling the "bad ads" that "promote illegal products and unrealistic offers" or "trick people into sharing personal information and taint devices with harmful software."